[INFO] cloning repository https://github.com/eiennohito/trie-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eiennohito/trie-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiennohito%2Ftrie-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiennohito%2Ftrie-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c97c357a11a13a9bb01a5e84a6356a57748c98ad [INFO] checking eiennohito/trie-playground against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiennohito%2Ftrie-playground" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eiennohito/trie-playground on toolchain b0696a5160711c068cb1f01b7437db7990d15750 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eiennohito/trie-playground [INFO] finished tweaking git repo https://github.com/eiennohito/trie-playground [INFO] tweaked toml for git repo https://github.com/eiennohito/trie-playground written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/eiennohito/trie-playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking eiennohito/trie-playground against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feiennohito%2Ftrie-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eiennohito/trie-playground on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eiennohito/trie-playground [INFO] finished tweaking git repo https://github.com/eiennohito/trie-playground [INFO] tweaked toml for git repo https://github.com/eiennohito/trie-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/eiennohito/trie-playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c [INFO] running `Command { std: "docker" "start" "-a" "837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c", kill_on_drop: false }` [INFO] [stdout] 837854eabe8856f740a4bbb6c5e67e0a570c7ef5258b29b6ba64cdc6c6082d0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3 [INFO] running `Command { std: "docker" "start" "-a" "96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3", kill_on_drop: false }` [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking testrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `BitPatternSearcher1` is never constructed [INFO] [stdout] --> src/main.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct BitPatternSearcher1<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `search` is never used [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl <'a> BitPatternSearcher1<'a> { [INFO] [stdout] | --------------------------------- method in this implementation [INFO] [stdout] 7 | fn search(&self, target: &[u16]) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `children`, `weight`, and `value` are never read [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct TrieNode { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 25 | children: fxhash::FxHashMap, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 26 | weight: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 27 | value: Option [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `child_indices` and `add` are never used [INFO] [stdout] --> src/main.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl TrieNode { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 31 | pub fn child_indices(&self, out: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn add(&mut self, data: &[u8], value: u32, weight: u64) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `root` and `num_entries` are never read [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 54 | struct HashTrie { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 55 | root: TrieNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] 56 | num_entries: usize [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add` is never used [INFO] [stdout] --> src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl HashTrie { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 60 | pub fn add(&mut self, data: &[u8], value: u32, weight: u64) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BitPatternSearcher1` is never constructed [INFO] [stdout] --> src/main.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct BitPatternSearcher1<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `search` is never used [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl <'a> BitPatternSearcher1<'a> { [INFO] [stdout] | --------------------------------- method in this implementation [INFO] [stdout] 7 | fn search(&self, target: &[u16]) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `children`, `weight`, and `value` are never read [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct TrieNode { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 25 | children: fxhash::FxHashMap, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 26 | weight: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 27 | value: Option [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `child_indices` and `add` are never used [INFO] [stdout] --> src/main.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl TrieNode { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 31 | pub fn child_indices(&self, out: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn add(&mut self, data: &[u8], value: u32, weight: u64) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `root` and `num_entries` are never read [INFO] [stdout] --> src/main.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 54 | struct HashTrie { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 55 | root: TrieNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] 56 | num_entries: usize [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add` is never used [INFO] [stdout] --> src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl HashTrie { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 60 | pub fn add(&mut self, data: &[u8], value: u32, weight: u64) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3", kill_on_drop: false }` [INFO] [stdout] 96d98a62567e667c16d40ca7d7746e29ee904cda76c3c6ac047d595483ef25d3